Buy the 2015 Old Farmer's Almanac!
Empty 1 or 2 litre plasticEmpty 1 or 2 litre plastic soft drink bottles can be reused for building bird feeders. Cut the top and bottom out to make the cylinder to hold the seed. Scrap wood and one of these makes a nice feeder and you can see when it is empty.

Shop Wind Bells in the Almanac General Store